Comparison of Airborne Lead Concentration in and Around Lead Production Plant

Park, Changhwan; Park, Yunkyung; Oh, Younhee; Choi, Inja; Cha, Wonseok; Choi, Sangjun

Comparison of Airborne Lead Concentration in and Around Lead Production Plant

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재생 납 생산 공장과 인근 지역의 공기 중 납 농도 수준 비교

Type: Academic journal

Author: Park, Changhwan (대한산업보건협회 경북산업보건센터) Park, Yunkyung (대구가톨릭대학교 산업보건학과) Oh, Younhee (원진직업병관리재단 부설 노동환경건강연구소,) Choi, Inja (원진직업병관리재단 부설 노동환경건강연구소,) Cha, Wonseok (근로복지공단 직업환경연구원) Choi, Sangjun (대구가톨릭대학교 산업보건학과)

Journal: Korean Industrial Hygiene Association 한국산업보건학회지 한국산업보건학회지 제29권 제1호 KCI Accredited Journals

Published: 2019.1

Pages: 34 - 41 (8page)

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Comparison of Airborne Lead Concentration in and Around Lead Production Plant

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2019

박창환 산업보건학과 2019.01 Thesis

Comparison of Airborne Lead Concentration in and Around Lead Production Plant

Pa , k , Changhwan and others 11 한국산업보건학회지 2019.01 Academic journal

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Objective: This study is conducted to evaluate airborne lead concentration in and around lead production plant. Methods: Airborne lead concentration was monitored simultaneously inside of the processes of lead recycling factory and outside of factory which include stack, boundary of factory and residential area 1 km and 7.5 km from factory, respectively. All samples were measured three times at 1.5 m from the ground and analyzed using inductively coupled plasma mass spectrometer, inductively coupled plasma optical emission spectrometer or flame atomic absorption spectrometer. Results: All airborne lead concentrations measured inside of factory($13.9{\mu}g/m^3-252.9{\mu}g/m^3$) and outside of factory($0.001{\mu}g/m^3-54.97{\mu}g/m^3$) showed log-normal distribution. Geometric mean lead concentration, $54.81{\mu}g/m^3$, measured inside of factory was significantly higher than outside of factory, $0.20{\mu}g/m^3$(p<0.01). Among the samples measured inside the factory, lead concentration was the highest in the refining process($59.02{\mu}g/m^3-252.9{\mu}g/m^3$). In the case of the samples outside the factory, the nearest chimney was the highest($3.84{\mu}g/m^3-54.97{\mu}g/m^3$), and the lead concentration at the farthest place, 7.5 km from the factory was the lowest($0.001{\mu}g/m^3-1.7{\mu}g/m^3$). The arithmetic lead concentration, $0.45{\mu}g/m^3$ in the residential area near the factory was below the atmospheric environment standard of $0.5{\mu}g/m^3$, but the maximum concentration of $3.4{\mu}g/m^3$ was exceeded. Conclusions: Airborne lead concentration in residential area, 1 km away from lead recycling plant, may exceed ambient air standard of $0.5{\mu}g/m^3$.

#lead #lead recycling plant #residential area

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